GEAR WHEEL

Pronunciation (US):

• GEAR WHEEL (noun)
  The noun GEAR WHEEL has 1 sense:

1. a toothed wheel that engages another toothed mechanism in order to change the speed or direction of transmitted motion

  Familiarity information: GEAR WHEEL used as a noun is very rare.

• GEAR WHEEL (noun)

Meaning:

A toothed wheel that engages another toothed mechanism in order to change the speed or direction of transmitted motion

Classified under:

Nouns denoting man-made objects

Synonyms:

cogwheel; gear; gear wheel; geared wheel

Hypernyms ("gear wheel" is a kind of...):

wheel (a simple machine consisting of a circular frame with spokes (or a solid disc) that can rotate on a shaft or axle (as in vehicles or other machines))

Meronyms (parts of "gear wheel"):

cog; sprocket (tooth on the rim of gear wheel)

tooth (one of a number of uniform projections on a gear)

Hyponyms (each of the following is a kind of "gear wheel"):

bevel gear; pinion and crown wheel; pinion and ring gear (gears that mesh at an angle)

escape wheel (gear that engages a rocking lever)

pinion (a gear with a small number of teeth designed to mesh with a larger wheel or rack)

epicyclic gear; planet gear; planet wheel; planetary gear (an outer gear that revolves about a central sun gear of an epicyclic train)

rack and pinion (a wheel gear (the pinion) meshes with a toothed rack; converts rotary to reciprocating motion (and vice versa))

spur gear; spur wheel (gear wheels that mesh in the same plane)

sun gear (the central gear in a epicyclic train)

worm gear (gear consisting of a shaft with screw thread (the worm) that meshes with a toothed wheel (the worm wheel); changes the direction of the axis of rotary motion)

worm wheel (gear with the thread of a worm)